|本期目录/Table of Contents|

[1]宋彦辉,李忠生,高虎艳,等.西安三类勘察场地隐伏地裂缝识别特征[J].地球科学与环境学报,2015,37(04):94-101.
　SONG Yan-hui,LI Zhong-sheng,GAO Hu-yan,et al.Recognition Features of Non-outcropping Ground Fissures for the Third Investigation Site in Xi’an[J].Journal of Earth Sciences and Environment,2015,37(04):94-101.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第37卷
期数:
2015年第04期
页码:
94-101
栏目:
工程地质
出版日期:
2015-07-15

文章信息/Info

Title:
Recognition Features of Non-outcropping Ground Fissures for the Third Investigation Site in Xi’an
文章编号:
1672-6561(2015)04-0094-08
作者:
宋彦辉; 李忠生; 高虎艳; 丛璐; 程耀
1. 长安大学 地质工程与测绘学院,陕西 西安 710054; 2. 西安市地下铁道有限责任公司,陕西 西安 710018
Author(s):
SONG Yan-hui;  LI Zhong-sheng;  GAO Hu-yan;  CONG Lu;  CHENG Yao
1. School of Geology Engineering and Geometrics, Chang’an University, Xi’an 710054, Shaanxi, China; 2. Xi’an Metro Co. Ltd., Xi’an 710018, Shaanxi, China
关键词:
地裂缝; 地质灾害; 勘察; 场地分区; 识别特征; 浅层人工地震勘探; 工程地质钻探; 西安
Keywords:
ground fissure;  geological disaster;  investigation;  zoning for site;  recognition feature;  shallow artificial seismic exploration;  engineering geological drilling;  Xi’an
分类号:
P642.2
DOI:
-
文献标志码:
A
摘要:
论述了西安地裂缝勘察场地类型的划分,分析了三类勘察场地隐伏地裂缝识别存在的问题。依据西安地区地形地貌类型及地层沉积差异,将西安地裂缝三类勘察场地划分为3个亚区(Ⅲ-0区、Ⅲ-1区和Ⅲ-2区)。Ⅲ-0区位于西安北郊,地貌单元为渭河河漫滩及Ⅰ级阶地,目前尚未发现地裂缝;Ⅲ-1区位于西安西郊,地貌单元为Ⅰ级洪积台地;Ⅲ-2区位于西安东郊,地貌单元为浐河、灞河Ⅰ级阶地;Ⅲ-1区和Ⅲ-2区地裂缝研究程度低,是西安地裂缝三类勘察场地研究的难点所在。根据Ⅲ-1区和Ⅲ-2区大量地球物理勘探和工程地质钻探,提出Ⅲ-1区宜采用浅层人工地震勘探和工程地质钻探相结合的方法,控制钻孔间距不宜大于40 m,孔深宜为80~100 m;Ⅲ-2区由于存在厚层可对比的卵石(圆砾)层,可仅采用工程地质钻探方法,建议控制钻孔间距为60~80 m,孔深60~70 m。
Abstract:
The types of investigation sites for ground fissures in Xi’an were divided, and the recognition of non-outcropping ground fissure for the third investigation site was analyzed. Based on the differences of topography, geomorphy and stratigraphic sedimentary in Xi’an area, the third investigation site of Xi’an ground fissure was divided into three zones, including Ⅲ-0, Ⅲ-1 and Ⅲ-2 zones. Ⅲ-0 zone is located in the northern suburb of Xi’an, which belongs to flood plain and Ⅰ-order terrace of Wei River, and there is no ground fissure until now; Ⅲ-1 zone is located in the western suburb of Xi’an, which belongs to Ⅰ-order diluvial platform; Ⅲ-2 zone is located in the eastern suburb of Xian, which belongs to Ⅰ-order terrace of Chan River and Ba River. According to many geophysical explorations and engineering geological drillings in Ⅲ-1 and Ⅲ-2 zones, it is suggested that shallow artificial seismic exploration and engineering geological drilling are combined in Ⅲ-1 zone, and only engineering geological drilling is used in Ⅲ-2 zone because of the thick pebble layer which can be regarded as marker bed. For Ⅲ-1 zone, the interval of control hole is not more than 40 m with the hole depth of 80-100 m; for Ⅲ-2 zone, the interval of control hole is 60-80 m with the hole depth of 60-70 m.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-12-17
基金项目:国家自然科学基金项目(40972215)
作者简介:宋彦辉(1968-),男,河北邢台人,教授,博士研究生导师,工学博士,E-mail:dcdgx30@chd.edu.cn。
更新日期/Last Update: 2015-07-20